
Brían F. O'Byrne
Biography
Brían Francis O'Byrne (born 16 May 1967) is an Irish actor who works mostly in the United States. He was born in Mullagh, County Cavan. O'Byrne first attracted notice for his performances in the Martin McDonagh plays The Beauty Queen of Leenane (1996) as Pato Dooley (for which he received a Tony Award nomination for Best Featured Actor in a Play) and The Lonesome West (1997). He is known for taking on serious and dramatic roles, such as a serial killer in Frozen (1998) (for which he won a Tony Award) and a priest accused of child molestation in Doubt (2004), for which he received a Tony nomination. O'Byrne also appeared as a priest in the 2004 film Million Dollar Baby. In May 2007, O'Byrne was nominated for a Tony Award for his performance as Alexander Herzen in Tom Stoppard's 2002 trilogy The Coast of Utopia. In 2011, he was nominated for the Primetime Emmy Award for Outstanding Supporting Actor in a Miniseries or a Movie for his performance in Mildred Pierce as Bert Pierce.
Movies

Million Dollar Baby
2004

Conclave
2024

Before the Devil Knows You're Dead
2007

Jimmy's Hall
2014

No Reservations
2007

The Wonder
2022

The Grey Zone
2001

Sergio
2020

The New World
2005

Dead of Winter
2025

My Salinger Year
2020

Brooklyn's Finest
2010
TV Shows

Hallmark Hall of Fame
1951

Oz
1997

Law & Order: Special Victims Unit
1999

Little Boy Blue
2017

The Magicians
2015

Manhunt
2017

Lincoln Rhyme: Hunt for the Bone Collector
2020

Love/Hate
2010

FlashForward
2009

Mildred Pierce
2011

Brotherhood
2006

The Last Ship
2014